30lbs Sound Feedback: Equipped with a sound feedback feature, it emits a distinct "click" at 30lbs tamping pressure. Ergonomic Walnut Handle: An ergonomic walnut handle offers comfort and style to your espresso making process. Compatibility with 58mm Portafilters: Designed for universal use, fits a variety of 58mm portafilters including. Construction: Crafted from robust aluminum alloy and SUS304, resisting and oxidation. 3-Spring System: Features a 3-spring design for precise tamping, ensuring consistent pressure every time. Specification:A: smooth Color:As Shown Material:Aluminum Alloy Package Contents: 1 x coffee powder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.